Christopher Gardner
17Patents
6h-index
17Co-inventors
63Inventor score
Filing activity: Aug 11, 1994 → Apr 2, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5520330A | Railway rail-fastening clip and assembly and methods of employing the same | Fixed Constructions | 24 | Expired |
| US5735458A | Fastening railway rails | Fixed Constructions | 14 | Expired |
| US5566882A | Railway rail-fastening clip and assembly and methods of employing the same | Fixed Constructions | 12 | Expired |
| US8708592B1 | Adjustable tree stand frame | Emerging Cross-Sectional Technologies | 11 | Active |
| US5718376A | Railway rail-fastening clip and assembly | Fixed Constructions | 8 | Expired |
| US5769738A | Golf putter | Human Necessities | 8 | Expired |
| US6284962A | Body supported percussive arrangement | Physics | 6 | Expired |
| US6923381B2 | Railway rail fastening clip and assembly | Fixed Constructions | 5 | Expired |
| US7845578B2 | Railway rail fastening clip | Fixed Constructions | 4 | Active |
| US6860363B2 | Planar acoustic waveguide | Electricity | 3 | Expired |
| US11229200B1 | Adjustable tree stand | Human Necessities | 2 | Active |
| US7954727B2 | Anchoring devices for rail fastening clips | Fixed Constructions | 2 | Active |
| US9315947B2 | Railway rail fastening clip and insulator | Fixed Constructions | 2 | Active |
| US9562330B2 | Railway rail fastening clip and pad for recessed railseats | Fixed Constructions | 0 | Active |
| US9951479B2 | Railway rail fastening clip and pad for recessed railseats | Fixed Constructions | 0 | Active |
| US8888012B2 | Insulator for railway fastening clip and railway rail fastening clip for use therewith | Fixed Constructions | 0 | Active |
| US8905322B2 | Railway rail pad | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.